Home / 3,613.01-4,985.15-2,197.40

Finding the Fourth Proportional to 3,613.01, 4,985.15 and 2,197.40

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Solution

The fourth proportional to 3,613.01, 4,985.15 and 2,197.40 is: 3,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.01 : 4,985.15 = 2,197.40 : x
  2. Step 2: Convert to fraction form
    3,613.01/4,985.15 = 2,197.40/x
  3. Step 3: Cross multiply
    3,613.01x = 4,985.15 × 2,197.40
  4. Step 4: Simplify right side
    3,613.01x = 10,954,332.70
  5. Step 5: Solve for x
    x = 10,954,332.70/3,613.01
  6. Step 6: Final answer
    x = 3,031.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.